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Chore: logic improvements for nixos-rebuild script

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Aires 2024-09-30 09:33:15 -04:00
parent b34a43ed4c
commit 4294c03219
1 changed files with 37 additions and 19 deletions
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56
bin/nixos-upgrade-script.sh
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@ -4,23 +4,36 @@
# Configuration parameters
operation="switch" # The nixos-rebuild operation to use
hostname=$(hostname) # The name of the host to build
flakeDir="." # Path to the flake file (and optionally the hostname)
flakeDir="${FLAKE_DIR}" # Path to the flake file (and optionally the hostname). Defaults to the FLAKE_DIR environment variable.
remainingArgs="" # All remaining arguments that haven't been processed
commit=true # Whether to update git (true by default)
update=true # Whether to update git (true by default)
user=$(whoami) # Which user account to use for git commands.
function usage() {
echo "Usage: nixos-upgrade-script.sh [-o|--operation operation] [-f|--flake path-to-flake-file] [extra nixos-rebuild parameters]"
echo "nixos-rebuild Operations Script (NOS) updates your system and your flake.lock file by pulling the latest versions."
echo ""
echo "Running the script with no parameters performs the following operations:"
echo " 1. Pull the latest version of the config"
echo " 2. Update your flake.lock file"
echo " 3. Commit any changes back to the repository"
echo " 4. Run 'nixos-rebuild switch'."
echo ""
echo "Advanced usage: nixos-upgrade-script.sh [-o|--operation operation] [-f|--flake path-to-flake] [extra nixos-rebuild parameters]"
echo "Options:"
echo " -h | --help Show this help screen."
echo " -o | --operation The nixos-rebuild operation to perform."
echo " -f | --flake <path> The path to the flake file."
echo " -n | --no-commit Don't update and commit the lock file."
echo " -h, --help Show this help screen."
echo " -o, --operation The nixos-rebuild operation to perform."
echo " -f, --flake <path> The path to your flake.nix file (and optionally, the hostname to build)."
echo " -n, --no-update Don't update and commit the lock file."
echo " -u, --user Which user account to run git commands under."
echo ""
exit 2
}
function run_operation {
echo "Running this operation: nixos-rebuild $1 --flake $flakeDir $remainingArgs --use-remote-sudo"
nixos-rebuild $operation --flake $flakeDir $remainingArgs --use-remote-sudo --log-format multiline-with-logs
options="--flake $flakeDir $remainingArgs --use-remote-sudo --log-format multiline-with-logs"
echo "Running this operation: nixos-rebuild $1 $options"
nixos-rebuild $operation $options
}
# Argument processing logic shamelessly stolen from https://stackoverflow.com/questions/192249/how-do-i-parse-command-line-arguments-in-bash
@ -32,8 +45,8 @@ while [[ $# -gt 0 ]]; do
shift
shift
;;
--no-commit|-n)
commit=false
--no-update|-n)
update=false
shift
shift
;;
@ -42,6 +55,11 @@ while [[ $# -gt 0 ]]; do
shift
shift
;;
--user|-u)
user="$2"
shift
shift
;;
--help|-h)
usage
shift
@ -55,22 +73,22 @@ done
remainingArgs=${POSITIONAL_ARGS[@]}
set -- "${POSITIONAL_ARGS[@]}" # restore positional parameters
if [ -z "${FLAKE_DIR}" ]; then
echo "Flake directory not specified. Use '--flake [directory]' or set the $FLAKE_DIR environment variable."
if [ -n "${flakeDir}" ]; then
echo "Flake directory not specified. Use '--flake <path>' or set \$FLAKE_DIR."
exit 1
else
flakeDir=$FLAKE_DIR
fi
cd $flakeDir
echo "Pulling the latest version of the repository..."
git pull
sudo -u $user git pull
if [ $commit = true ]; then
if [ $update = true ]; then
echo "Checking for updates..."
nix flake update --commit-lock-file
git push
sudo -u $user nix flake update --commit-lock-file
sudo -u $user git push
else
echo "Skipping 'nix flake update'..."
fi
run_operation $operation